...intensive mental effort.高强度的脑力劳动Last night she was critically ill in intensive care.昨晚她病危，处于重病特别护理中。...several days and nights of intensive negotiations...几天几夜紧锣密鼓的谈判Intensive negotiations between the main parties pre...
这样可能会导致身体虚弱和肌肉萎缩。This can lead to bodily weakness and muscle wastage.偶尔会有病人过于虚弱，必须通过静脉注射进食。Occasionally a patient is so debilitated that he must be fed intravenously.在有人搀扶的情况下她还是能够下楼的，但是很虚弱。She can still come downstairs ...